Automated Stem Cell Production System for Quality Consistency
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Solution Overview
Problem
The production of induced pluripotent stem cells (iPS cells) for clinical use is hindered by high costs, variability in quality due to complex and skill-dependent processes, long preparation times, and the need for specialized personnel, making industrialization challenging.
Innovation Solution
A stem cell production system comprising a preintroduction cell solution-feeding channel, a factor introducing device, and a cell mass preparation device with initializing and amplifying culturing apparatuses, which includes a first and second culture medium supply device, and a dissociating mechanism to efficiently culture and prepare pluripotent stem cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual operations are used for stem cell preparation, then flexibility and adaptability are maintained, but quality consistency deteriorates and personnel requirements increase
Solution Approach 1:
The patent replaces manual mechanical operations with an automated mechanical system comprising a factor introducing device, culture medium supply devices, and cell mass preparation device. This automation eliminates human skill variability while maintaining process flexibility through programmable control, directly resolving the contradiction between preparation flexibility and quality consistency.
2Adaptability or versatility
If complex manual procedures are used, then process adaptability is maintained, but production time increases and personnel skills requirements increase
Solution Approach 1:
The patent implements continuous automated operations where the factor introducing device continuously introduces pluripotency inducing factors, culture medium supply devices continuously provide nutrients, and the system continuously monitors and processes cell masses without manual intervention. This continuous automated process eliminates idle time between operations while maintaining adaptability through programmable parameters, resolving the contradiction between process flexibility and preparation speed.
3Productivity
If automated systems are used, then productivity increases and quality consistency improves, but device complexity increases
Solution Approach 1:
The patent designs the automated system with multi-functional components where the factor introducing device can introduce different inducing factors for various cell types, culture medium supply devices can provide different medium compositions, and the system can process multiple cell lines. This universality allows a single automated system to perform multiple functions, increasing productivity while managing device complexity through standardized multi-use components.
4Manufacturing precision
If cleanroom maintenance at high cleanliness levels is implemented, then product purity is improved, but operational costs increase
Solution Approach 1:
The patent replaces manual operations that require high cleanroom standards with a closed automated system. The factor introducing device, culture medium supply devices, and cell mass preparation device operate as a sealed automated unit that minimizes exposure to external contaminants. This automation maintains cell purity through controlled environments while reducing the need for expensive cleanroom maintenance, resolving the contradiction between cell purity and maintenance cost.
Data Source
AI summary
A stem cell production system provided with a preintroduction cell-feeding solution channel 20 through which a solution containing cells passes, an induction factor-feeding solution mechanism 21 for feeding a pluripotency induction factor to the preintroduction cell-feeding solution channel 20, a factor introduction device 30 connected to the preintroduction cell-feeding solution channel 20 for making cells with induction factor introduced by introducing the pluripotency induction factor into the cells, a cell mass-making device 40 for making multiple cell masses comprising stem cells by culturing the cells with induction factor introduced, and a packaging device 100 for sequentially packaging each of the multiple cell masses.